Controller reset due to "Unexpected PCI bus width"
Applies to
NetApp E-Series and EF-Series
Controllers Firmware: 7.XX and 8.XX
Issue
An unexpected Controller reboot.
excLogShow
reports an entry similar to the following:
---- Log Entry #6 FEB-21-2014 10:27:00 PM ----
Unexpected PCI bus width x4 for BDF[2,0,0] REBOOTING.
- The Controller locks down during firmware upgrade.
- During upgrade, the following error is seen against the controller and seven-segment shows L3
Unexpected PCI bus width x4 for BDF[2,0,0] TRIGGERING LOCKDOWN